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【多选题】
LED灯不亮的硬件原因可能是?
A.
LED损坏
B.
LED正负极反接
C.
LED电源故障
D.
LED限流电阻过大
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【单选题】-----Who do you intend to have______your computer? ----- I haven’t decided yet. I wonder if you could help me。
A.
to repair
B.
repaired
C.
to be repaired
D.
repair
【简答题】必需氨基酸是指 但人体不能合成,或者人体合成的速度跟不上需要的氨基酸。
【单选题】A: I was hoping to get some bread from the bakery before it closes. B: ______.
A.
You'd better be quick. It will close at 7:00.
B.
My watch says 6:50,I'm afraid you'll be late. But don't be frustrated.
C.
I don't know when it closes.
D.
I've never been to that bakery.
【单选题】— I was hoping you were able to lend me the money. — __________________
A.
That’s right!
B.
You can forget that!
C.
You are welcome.
D.
Never mind.
【单选题】—Can I help you carry the bag? —________________.
A.
Needn’t.
B.
you couldn’t do it.
C.
I could do it myself.
D.
Thank you, but I can manage it myself.
【判断题】人体必需氨基酸是指人体不能合成或合成速度不能满足人体需要,只能从食物中摄取的氨基酸。
A.
正确
B.
错误
【简答题】Dear Dad, I know you were very busy with work, but I'm hoping if you can help me out anyway. I’m thinking of leave the football team, and I need your opinion. My homework this year is crazy, but I nee...
【单选题】Why do you want to leave your previous job?().
A.
I'm hoping to have a better position.
B.
I don't want to work at all.
C.
You won't understand it.
【判断题】必需氨基酸是指在人体内不能合成或合成的速度不能满足人体需要,必需由食物供给的氨基酸。
A.
正确
B.
错误
【判断题】必需氨基酸是指在人体内不能合成或合成速度不能满足机体需要,必须从膳食中补充的氨基酸。()
A.
正确
B.
错误
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